Answer:
coefficent matrix
Step-by-step explanation:
P. 366
"If the column of constant terms is not included, the matrix reduces to that of the coefficent matrix of the system"
-1 -3 -1
9 -9 -1
-1 -3 4
You find the slope of the line by using the formula
where x1 and y1 is the first point, and x2 and y2 are the second point.
Answer:
A=73
B=107
Step-by-step explanation:
since the angles are across from eachother they would be the same, the total angle of all 4 added together would be 360, and 73+107 would be 180, so 180+180 is equal to 360
Answer:
use photomath and it will solve ur problem
Answer:
You add all them then divided 4 i think